Epoxy resins with improved burn properties
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United States of America Patent
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Oct 18, 2011
Grant Date -
Apr 8, 2010
app pub date -
Oct 7, 2008
filing date -
Oct 7, 2008
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Abstract
Epoxy resin compositions that generate reduced levels of sulfur dioxide and which unexpectedly have reduced self-extinguishing times. The epoxy resins are composed of from 50 to 70 weight percent of an epoxy resin component. The epoxy resin composition also includes from 15 to 35 weight percent of a thermoplastic blend that is composed of polyetherimide and polyamideimide. The epoxy resin composition further includes from 5 to 25 weight percent of a curative agent.
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